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https://issues.apache.org/jira/browse/ARROW-1021?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16356955#comment-16356955
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Antoine Pitrou commented on ARROW-1021:
---------------------------------------

Note it is currently required to also add the Numpy C include path:
https://travis-ci.org/pitrou/arrow/jobs/338970086#L3616-L3623

{code}
In file included from pyarrow_cython_example.cpp:571:
In file included from 
/Users/travis/build/pitrou/arrow/pyarrow-test-3.6/lib/python3.6/site-packages/pyarrow/include/arrow/python/api.h:22:
In file included from 
/Users/travis/build/pitrou/arrow/pyarrow-test-3.6/lib/python3.6/site-packages/pyarrow/include/arrow/python/arrow_to_python.h:27:
In file included from 
/Users/travis/build/pitrou/arrow/pyarrow-test-3.6/lib/python3.6/site-packages/pyarrow/include/arrow/python/python_to_arrow.h:26:
In file included from 
/Users/travis/build/pitrou/arrow/pyarrow-test-3.6/lib/python3.6/site-packages/pyarrow/include/arrow/python/common.h:23:
In file included from 
/Users/travis/build/pitrou/arrow/pyarrow-test-3.6/lib/python3.6/site-packages/pyarrow/include/arrow/python/config.h:23:
/Users/travis/build/pitrou/arrow/pyarrow-test-3.6/lib/python3.6/site-packages/pyarrow/include/arrow/python/numpy_interop.h:23:10:
 fatal error: 'numpy/numpyconfig.h' file not found
#include <numpy/numpyconfig.h>
{code}


> [Python] Add documentation about using pyarrow from other Cython and C++ 
> projects
> ---------------------------------------------------------------------------------
>
>                 Key: ARROW-1021
>                 URL: https://issues.apache.org/jira/browse/ARROW-1021
>             Project: Apache Arrow
>          Issue Type: Improvement
>          Components: Python
>            Reporter: Wes McKinney
>            Assignee: Uwe L. Korn
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 0.9.0
>
>
> Follow up work to ARROW-819, ARROW-714



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